Growth

Biology SSS 1 First Term

WEEK 9

Growth

Performance Objectives

Student should be able to:

1. Define the term growth and its basis
2. Gives some parameters involve in growth

Content

Growth is defined as an irreversible increase in size and complexity of an organism brought about by the synthesis of new protoplasm. For growth to occur, the rate of synthesis or building up of materials (anabolism) must exceed the rate of breaking down (catabolism). Growth in plants is apical and indefinite while growth in animals is uniform and definite in all parts of the body.

Basis of Growth

For any organism to grow, it must pass through three phases usually referred to as the basis of growth. These are:

1. Cell division
2. Cell…